Question about Panasonic PT-51HX41 51" Rear Projection Television

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Dirt on the inside screen

A fly got inside of the tv and left a mark on the inside of screen how do i get inside of this set to clean it

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Re: dirt on the inside screen

Usually the best way is to remove the top back cover and clean the inside of the screen with a clean, dry cloth, but be careful because the mirror is mounted on the inside of the top back cover.

Posted on Jun 28, 2007

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I have a 10 year old RCA 50 inch big screen TV with marks on the screen that seem to be on the inside. How do I clean the inside of the screen, thanx Lon

marks inside the tv glass should only be cleaned by a professional because you may damage the extremely sensitive parts of the television, if its not to bothersome to you , you should ignore it as you will probably be charged an arm and a leg for this,(i know from experience)

you can also try adjusting the picture settings until it becomes less noticeable

Mar 05, 2011 | RCA HD50LPW175 50" HDTV

1 Answer

There are flies inside on the screen. how do i get rid of them

By flies I take it you mean house flies? If so wait untill night, turn off your tv turn on one very bright light in the room by morning they will be out of the TV to rid your home of flies turn off all lights open the front door turn on the porch light (must be bright white) and they will go to the light then just close the door

May 21, 2009 | Hitachi 42V715 Rear Projection Television

1 Answer

Need to remove screen cover

you have to remove the back of the tv to clean the inside screen.

Apr 29, 2009 | Toshiba 57H82 57" Rear Projection...

2 Answers

Mitsu 65" DLP-picture seems washed out

Most likely cause of your trouble is dust on the small mirror inside you set. Your DLP set has 2 mirrors not including the DLP chip itself which has about 500,000 tiny mirrors. The 2 mirrors reflect the DLP chip image to the screen you view. The first is the main suspect it's about 4inches by 7inches. It's mounted on the bottom center facing backwards. This mirror faces slightly up and somtimes after time dust, smoke, dirt settles on it . The second fills the space of the entire back of the cabinet but it faces down and takes alot longer to get dirty.
The compartment is sealed but dust seems to find it's way in. If you remove the screws that secure the screen assembly from the top , sides and bottom. Make sure to have a friend available the screen assembly is delicate when it's not mounted to the cabinet. You can remove and clean the mirrors. These mirrors are glass and you can use glass cleaned. Don't use glass cleaner on the screen it's plastic. You can clean it if necessary with plastic cleaner only. Probably not needed.
Good luck.

Apr 23, 2009 | Mitsubishi Projection Televisions

1 Answer

Green convergence on Panasonic PT-53WX42 is not ligning up...

Does not sound like the chips are bad.
What you need to adjust is "SKEW". You need to enter "service Mode" then go into "Coarse Convergence". Skew can be adjusted for all 3 colors. Unless you have the service manual, these corrections should not be attempted.

To clean the INSIDE of the screen, you really have to disassemble the TV. Remove all the screws that hold the "back" ( the piece with the mirror) to the front (screen) assembly.
The screen can be cleaned with a solution of diluted isopropyl alcohol, no more than a 50% solution. Drugstores will carry it, but it might be 70%-90%. Just dilute with distilled water (not tap water as it contains minerals). Personally I have used 70% with no ill side effects but 50% is recommended.

Dec 08, 2008 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer


you would have to open it up and chase them out

Nov 02, 2008 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Mystery dot

Its most likely dead pixels. This generally happens over a course of time. If its not too big that it irritates you, you could possibly let it go. Otherwise, it could call for a service job.

Jun 01, 2008 | Philips 60PP9401 60" Rear Projection...

4 Answers

Little white dots on the screen

dirty lens, dirty mirrors, warped light guides, spider webs and mini-UFOs that fly across the inside can cause what you described.

but 6 months is pretty early for a cleaning but possible.

May 16, 2008 | Mitsubishi WD-62725 62" Rear Projection...

1 Answer

Yellow brush marking on Screen

Your problem is with the blue color,maybe some dirt is sitting on the face of the blue crt and is being projected bigger to the screen,you should try cleaning the face of all 3 tubes,if you familiar with tv service this should help,be careful when removing the back and make sure the set is unplug when you do the cleaning.Let us know how it goes.

Oct 06, 2006 | Sony Grand WEGA KDF-60XBR950 60" Rear...

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